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Here’s how you can create playlists for your media files in iPhone:

1. The key for getting the most out of iTunes and music on your iPhone is to understand and utilize playlists. Playlists are created in iTunes on your Mac or PC, and accessible from the iPod application on your iPhone. Playlists give you flexible options for creating lists of songs that suite your mood, so you could create playlist to listen to while driving, or another for when you need to relax.
2. In iTunes on your Mac or PC, click the + button near the bottom left of the screen. This adds a new playlist. Give your playlist a name then click on Music in the Library list. Now drag songs from your music selection to your new playlist.
3. You can also create dynamically updated Smart Playlists by choosing New Smart Playlist from the File menu. So, for example, you could create a Smart Playlist of all the songs added in the last week, so they’re always easy to find.
4. To add more rules to your Smart Playlist criteria click the + button. You can add as many rules as you like. There’s a huge range of criteria to choose from. If you rate your songs, why not use the rating as a criteria to choose only your favourite songs?
5. If iTunes is set to automatically sync all songs and playlists with your iPhone, then all you need to do is connect your iPhone and sync. Alternatively, you can set iTunes to sync only selected playlists in the Music tab of your iPhone’s synching options.

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Want to sync your iPhone contacts and calendars with those on your computer?

1. Connect your iPhone to your Mac or PC. iTunes will open up. Once your iPhone appears in the Devices list, click on it, then click on the Info tab in the main window. Choose how to sync your info. If you don’t use MobileMe, you’re done for now.
2. MobileMe requires more setting up. Armed with your username and password, sync your PC or Mac data with MobileMe. On a Mac, go to System Preferences > MobileMe (or .Mac on older systems). If you’re using PC, you’ll find MobileMe preferences in Control Panel.
3. Once your account is all set up, it’s easy to sync data between your iPhone and your MobileMe account on your computer. On your iPhone, tap on Settings from the Home screen. Make sure the Fetch New Data option is set to Push. Then in Mail, Contacts, Calendars tap on Add Account and add your MobileMe account details if you haven’t done so already.
4. Click on your MobileMe account in Settings > Mail, Contacts, Calendars then ensure all the sliders are set to On. Be aware that this will overwrite the contact and calendars already on your iPhone, so make sure you followed step number two.

Apple unveiled iMac, an all-in-one slimmy desktop PC. Priced at $1,199 (standard configuration), the computer comes in an anodized aluminium frame and glass cover. It runs on Mac OS X operating system and has built-in support for 802.11n AirPort Extreme WiFI and Bluetooth 2.0+EDR connectivities. If you purchase it (two models are available, one with 20-inch LCD and other with 24-inch), you’ll also get a thick (0.33-inch) aluminium keyboard.